Should I Always Fully Qualify Column Names In SQL?

Question

Out of interest when working with SQL statements should I always use the fully qualifed column name (tablename.columnname) even if only working with one table e.g.

Answer 1

Don't solve problems you don't have yet. (At least that's what my team lead is always telling me.) I'm sure the monkey who someday has to add a JOIN to your statement can figure it out.